Abstract
Delayed cerebral infarction (DCI) is related to unfavorable outcome after aneurysmal subarachnoid hemorrhage (SAH). There lacks a clear understanding how the DCI load affects cognitive function after SAH. We conducted a literature review on the clinical classification systems on brain hemorrhages and cerebral infarction and devised a Delayed Cerebral Infarction Load Scoring System (DCI Score). DCI Score significantly correlated with Symbol Digit Modalities Test (-0.334, p=0.032), Color Trail Test (-0.310, p=0.032), Hong Kong List Learning Test (-0.318, p=0.036), Verbal Digit Span Forward (-0.382, p=0.017), and Visual Digit Span Backward (-0.425, p=0.012). In conclusion, higher DCI load impacted significantly on memory and executive function. DCI Score is a useful system for clinical quantification of DCI load and clinical research.
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